ES2426873R1 - Procedure and apparatus for a stop compatible with a BWR jet pump inlet mixer - Google Patents

Procedure and apparatus for a stop compatible with a BWR jet pump inlet mixer

Info

Publication number
ES2426873R1
ES2426873R1 ES201230723A ES201230723A ES2426873R1 ES 2426873 R1 ES2426873 R1 ES 2426873R1 ES 201230723 A ES201230723 A ES 201230723A ES 201230723 A ES201230723 A ES 201230723A ES 2426873 R1 ES2426873 R1 ES 2426873R1
Authority
ES
Spain
Prior art keywords
inlet mixer
mixer
main body
compatible
jet pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
ES201230723A
Other languages
Spanish (es)
Other versions
ES2426873B1 (en
ES2426873A2 (en
Inventor
Robin D Sprague
Bruce J Lentner
Emanuel Klein
David B Drendel
Bret E Nelson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GE Hitachi Nuclear Energy Americas LLC
Original Assignee
GE Hitachi Nuclear Energy Americas LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GE Hitachi Nuclear Energy Americas LLC filed Critical GE Hitachi Nuclear Energy Americas LLC
Publication of ES2426873A2 publication Critical patent/ES2426873A2/en
Publication of ES2426873R1 publication Critical patent/ES2426873R1/en
Application granted granted Critical
Publication of ES2426873B1 publication Critical patent/ES2426873B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/54—Installations characterised by use of jet pumps, e.g. combinations of two or more jet pumps of different type
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C13/00—Pressure vessels; Containment vessels; Containment in general
    • G21C13/02—Details
    • G21C13/032—Joints between tubes and vessel walls, e.g. taking into account thermal stresses
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C13/00—Pressure vessels; Containment vessels; Containment in general
    • G21C13/02—Details
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C15/00—Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
    • G21C15/24—Promoting flow of the coolant
    • G21C15/243—Promoting flow of the coolant for liquids
    • G21C15/25—Promoting flow of the coolant for liquids using jet pumps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining

Abstract

Un procedimiento y un aparato para un tope compatible con un mezclador de entrada de bomba de chorro de Reactor de Agua en Ebullición (BWR). El tope compatible con mezclador de entrada puede ser instalado en un área de receptáculo entre un tubo elevador y un mezclador de entrada de un conjunto de bomba de chorro de BWR. El tope compatible con mezclador de entrada incluye un cuerpo principal y una pata que se separan por medio del apretado de uno o más tornillos de gato usados para conectar el cuerpo principal y la pata. Un muelle frío sujeto al cuerpo principal permite que una fuerza lateral sea aplicada sobre el mezclador de entrada, para forzar el mezclador de entrada a separarse de una línea central del tubo elevador. Una fuerza lateral precisa puede ser aplicada sobre el mezclador de entrada abrazando la anchura de un huelgo entre salientes enfrentados sobre una cara anterior del cuerpo principal y un extremo distal del muelle frío. El tope compatible con mezclador de entrada aplica una fuerza lateral mayor sobre el mezclador de entrada cuando los tornillos de gato están apretados, separando más el cuerpo principal de la pata, cuando el huelgo entre salientes enfrentados está reducido.A procedure and an apparatus for a stop compatible with a Boiling Water Reactor (BWR) jet pump inlet mixer. The stopper compatible with inlet mixer can be installed in a receptacle area between a riser tube and an inlet mixer of a BWR jet pump assembly. The stopper compatible with the input mixer includes a main body and a leg that are separated by tightening one or more jack screws used to connect the main body and the leg. A cold spring attached to the main body allows a lateral force to be applied on the inlet mixer, to force the inlet mixer to separate from a central line of the lifting tube. A precise lateral force can be applied on the inlet mixer by embracing the width of a gap between facing projections on an anterior face of the main body and a distal end of the cold spring. The stopper compatible with the input mixer applies a greater lateral force on the input mixer when the jack screws are tightened, further separating the main body of the leg, when the gap between facing projections is reduced.

ES201230723A 2011-05-12 2012-05-11 Procedure and apparatus for a stop compatible with a BWR jet pump inlet mixer Active ES2426873B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/106,420 US10024338B2 (en) 2011-05-12 2011-05-12 Method and apparatus for a BWR jet pump inlet mixer compliant stop
US13/106420 2011-05-12

Publications (3)

Publication Number Publication Date
ES2426873A2 ES2426873A2 (en) 2013-10-25
ES2426873R1 true ES2426873R1 (en) 2013-12-20
ES2426873B1 ES2426873B1 (en) 2014-09-09

Family

ID=47141883

Family Applications (1)

Application Number Title Priority Date Filing Date
ES201230723A Active ES2426873B1 (en) 2011-05-12 2012-05-11 Procedure and apparatus for a stop compatible with a BWR jet pump inlet mixer

Country Status (5)

Country Link
US (1) US10024338B2 (en)
JP (1) JP5685559B2 (en)
CH (1) CH704911B1 (en)
ES (1) ES2426873B1 (en)
MX (1) MX350794B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10753374B2 (en) * 2016-05-09 2020-08-25 Ge-Hitachi Nuclear Energy Americas Llc Slip joint clamps and methods for use in a nuclear reactor jet pump

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US6234541B1 (en) * 1998-02-18 2001-05-22 Donaldson Company, Inc. U-bolt clamp for sealing lap joints
US20040223815A1 (en) * 2002-02-22 2004-11-11 Jennmar Corpotation Yieldable prop having a yield section
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US20100316180A1 (en) * 2009-06-11 2010-12-16 Ge-Hitachi Nuclear Energy Americas Llc Jet pump riser brace clamp

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Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6234541B1 (en) * 1998-02-18 2001-05-22 Donaldson Company, Inc. U-bolt clamp for sealing lap joints
US6052425A (en) * 1998-12-21 2000-04-18 General Electric Company Jet pump auxiliary wedge
US20040223815A1 (en) * 2002-02-22 2004-11-11 Jennmar Corpotation Yieldable prop having a yield section
US20050247754A1 (en) * 2004-04-22 2005-11-10 Butler Patrick J Apparatus and method for mechanically reinforcing the welds between riser pipes and riser braces in boiling water reactors
US20100316180A1 (en) * 2009-06-11 2010-12-16 Ge-Hitachi Nuclear Energy Americas Llc Jet pump riser brace clamp

Also Published As

Publication number Publication date
ES2426873B1 (en) 2014-09-09
US20120288053A1 (en) 2012-11-15
MX2012005549A (en) 2012-11-22
CH704911A8 (en) 2015-11-13
MX350794B (en) 2017-09-19
CH704911A2 (en) 2012-11-15
US10024338B2 (en) 2018-07-17
JP2012237755A (en) 2012-12-06
CH704911B1 (en) 2016-11-15
JP5685559B2 (en) 2015-03-18
ES2426873A2 (en) 2013-10-25

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